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SIGMOD
2009
ACM
138views Database» more  SIGMOD 2009»
14 years 10 months ago
PRIMA: archiving and querying historical data with evolving schemas
Schema evolution poses serious challenges in historical data management. Traditionally historical data have been archived either by (i) migrating them into the current schema vers...
Hyun J. Moon, Carlo Curino, MyungWon Ham, Carlo Za...
ICDE
2007
IEEE
155views Database» more  ICDE 2007»
14 years 4 months ago
Query-Aware Sampling for Data Streams
Data Stream Management Systems are useful when large volumes of data need to be processed in real time. Examples include monitoring network traffic, monitoring financial transacti...
Theodore Johnson, S. Muthukrishnan, Vladislav Shka...
SIGMOD
2002
ACM
236views Database» more  SIGMOD 2002»
14 years 10 months ago
The Cougar Approach to In-Network Query Processing in Sensor Networks
The widespread distribution and availability of smallscale sensors, actuators, and embedded processors is transforming the physical world into a computing platform. One such examp...
Yong Yao, Johannes Gehrke
DEXA
1999
Springer
87views Database» more  DEXA 1999»
14 years 2 months ago
SECONDO/QP: Implementation of a Generic Query Processor
: In an extensible database system, evaluation of a query plan is done in cooperation between a collection of operator implementation functions and a component of the DBMS that we ...
Ralf Hartmut Güting, Stefan Dieker, Claudia F...
DBPL
1995
Springer
106views Database» more  DBPL 1995»
14 years 1 months ago
On Impossibility of Decremental Recomputation of Recursive Queries in Relational Calculus and SQL
We study the problem of maintaining recursively-de ned views, such as the transitive closure of a relation, in traditional relational languages that do not have recursion mechanis...
Guozhu Dong, Leonid Libkin, Limsoon Wong